1020941820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 240

約数和(自身を含む): 3457792800

約数和(自身を除く): 2436850980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 41, 45, 54, 57, 60, 76, 81, 82, 90, 95, 108, 114, 123, 135, 162, 164, 171, 180, 190, 205, 228, 246, 270, 285, 324, 342, 369, 380, 405, 410, 492, 513, 540, 570, 615, 684, 738, 779, 809, 810, 820, 855, 1026, 1107, 1140, 1230, 1476, 1539, 1558, 1618, 1620, 1710, 1845, 2052, 2214, 2337, 2427, 2460, 2565, 3078, 3116, 3236, 3321, 3420, 3690, 3895, 4045, 4428, 4674, 4854, 5130, 5535, 6156, 6642, 7011, 7281, 7380, 7695, 7790, 8090, 9348, 9708, 10260, 11070, 11685, 12135, 13284, 14022, 14562, 15371, 15390, 15580, 16180, 16605, 21033, 21843, 22140, 23370, 24270, 28044, 29124, 30742, 30780, 33169, 33210, 35055, 36405, 42066, 43686, 46113, 46740, 48540, 61484, 63099, 65529, 66338, 66420, 70110, 72810, 76855, 84132, 87372, 92226, 99507, 105165, 109215, 126198, 131058, 132676, 138339, 140220, 145620, 153710, 165845, 184452, 199014, 210330, 218430, 230565, 252396, 262116, 276678, 298521, 307420, 315495, 327645, 331690, 398028, 415017, 420660, 436860, 461130, 497535, 553356, 597042, 630211, 630990, 655290, 663380, 691695, 830034, 895563, 922260, 995070, 1194084, 1245051, 1260422, 1261980, 1310580, 1383390, 1492605, 1660068, 1791126, 1890633, 1990140, 2075085, 2490102, 2520844, 2686689, 2766780, 2985210, 3151055, 3582252, 3781266, 4150170, 4477815, 4980204, 5373378, 5671899, 5970420, 6225255, 6302110, 7562532, 8300340, 8955630, 9453165, 10746756, 11343798, 12450510, 12604220, 13433445, 17015697, 17911260, 18906330, 22687596, 24901020, 26866890, 28359495, 34031394, 37812660, 51047091, 53733780, 56718990, 68062788, 85078485, 102094182, 113437980, 170156970, 204188364, 255235455, 340313940, 510470910, 1020941820]

約数ペア:

[(1, 1020941820), (2, 510470910), (3, 340313940), (4, 255235455), (5, 204188364), (6, 170156970), (9, 113437980), (10, 102094182), (12, 85078485), (15, 68062788), (18, 56718990), (19, 53733780), (20, 51047091), (27, 37812660), (30, 34031394), (36, 28359495), (38, 26866890), (41, 24901020), (45, 22687596), (54, 18906330), (57, 17911260), (60, 17015697), (76, 13433445), (81, 12604220), (82, 12450510), (90, 11343798), (95, 10746756), (108, 9453165), (114, 8955630), (123, 8300340), (135, 7562532), (162, 6302110), (164, 6225255), (171, 5970420), (180, 5671899), (190, 5373378), (205, 4980204), (228, 4477815), (246, 4150170), (270, 3781266), (285, 3582252), (324, 3151055), (342, 2985210), (369, 2766780), (380, 2686689), (405, 2520844), (410, 2490102), (492, 2075085), (513, 1990140), (540, 1890633), (570, 1791126), (615, 1660068), (684, 1492605), (738, 1383390), (779, 1310580), (809, 1261980), (810, 1260422), (820, 1245051), (855, 1194084), (1026, 995070), (1107, 922260), (1140, 895563), (1230, 830034), (1476, 691695), (1539, 663380), (1558, 655290), (1618, 630990), (1620, 630211), (1710, 597042), (1845, 553356), (2052, 497535), (2214, 461130), (2337, 436860), (2427, 420660), (2460, 415017), (2565, 398028), (3078, 331690), (3116, 327645), (3236, 315495), (3321, 307420), (3420, 298521), (3690, 276678), (3895, 262116), (4045, 252396), (4428, 230565), (4674, 218430), (4854, 210330), (5130, 199014), (5535, 184452), (6156, 165845), (6642, 153710), (7011, 145620), (7281, 140220), (7380, 138339), (7695, 132676), (7790, 131058), (8090, 126198), (9348, 109215), (9708, 105165), (10260, 99507), (11070, 92226), (11685, 87372), (12135, 84132), (13284, 76855), (14022, 72810), (14562, 70110), (15371, 66420), (15390, 66338), (15580, 65529), (16180, 63099), (16605, 61484), (21033, 48540), (21843, 46740), (22140, 46113), (23370, 43686), (24270, 42066), (28044, 36405), (29124, 35055), (30742, 33210), (30780, 33169)]